Working bench



FIG. 1 is a perspective view of a working bench showing my new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom elevational view;

FIG. 8 is a perspective view of a modified working bench showing my new design; and,

FIG. 9 is a rear perspective view of a modified working bench showing my new design. 

The ornamental design for a working bench, as shown and described. 